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GuDViN [60]
2 years ago
10

Complete factorization x^3-2x^2+x-2

Mathematics
1 answer:
disa [49]2 years ago
6 0

Answer:

{ \tt{ {x}^{3} - 2 {x}^{2}  + x - 2 }} \\  = { \tt{(x - 2)(x - i)(x + i)}}

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I really need help and this answered ASAP. thank you and sorry.
Semenov [28]

9514 1404 393

Answer:

  $2.50

Step-by-step explanation:

The question asks for the total cost of a notebook and pen together. We don't need to find their individual costs in order to answer the question.

Sometimes we get bored solving systems of equations in the usual ways. For this question, let's try this.

The first equation has one more notebook than pens. The second equation has 4 more notebooks than pens. If we subtract 4 times the first equation from the second, we should have equal numbers of notebooks and pens.

  (8n +4p) -4(3n +2p) = (16.00) -4(6.50)

  -4n -4p = -10.00 . . . . . . . . . . . simplify

  n + p = -10.00/-4 = 2.50 . . . . divide by the coefficient of (n+p)

The total cost for one notebook and one pen is $2.50.

__

<em>Additional comment</em>

The first equation has 1 more notebook than 2 (n+p) combinations, telling us that a notebook costs $6.50 -2(2.50) = $1.50. Then the pen is $2.50 -1.50 = $1.00.

One could solve for the costs of a notebook (n) and a pen (p) individually, then add them together to answer the question. We judge that to be more work.

4 0
3 years ago
Read 2 more answers
Consider the inequality 4x – 3 ≥ 13. Select four x-values that make the inequality true.
Neporo4naja [7]

Answer:

Step-by-step explanation:

Here are some steps to help you

Step 1

4x-3≥13  We are going to be simplifying

Step 2

4x-3≥13  Add 3 to the sides

4x≥16

Step 3

4x≥16  Divide them sides by 4

x≥4

So therefore your answer is x≥4

Hope this helps

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Step-by-step explanation:

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